package com.supermarket.filter;

import javax.servlet.*;
import java.io.IOException;

public class CharacterEncodingFilter implements Filter {

///设置字符编码
    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse,
                         FilterChain filterChain) throws IOException, ServletException {
        servletRequest.setCharacterEncoding ( "utf-8" );
        servletResponse.setContentType ( "text/html;charset=utf-8" );
        System.out.println ("过滤成功");
        filterChain.doFilter ( servletRequest,servletResponse );

    }
}
